Cited by 68Bioinformatics and Genomic NetworksFungal and yeast genetics researchGene Regulatory Network Analysis

Conserved rules govern genetic interaction degree across species

Open access
Koch, Elizabeth N, Costanzo, Michael, Bellay, Jeremy, Deshpande, Raamesh, Chatfield-Reed, Kate, Chua, Gordon, D'Urso, Gennaro, Andrews, Brenda J +2 more·2012·Genome Biology

Abstract

Background: Synthetic genetic interactions have recently been mapped on a genome scale in the budding yeast Saccharomyces cerevisiae, providing a functional view of the central processes of eukaryotic life. Currently, comprehensive genetic interaction networks have not been determined for other species, and we therefore sought to model conserved aspects of genetic interaction networks in order to enable the transfer of knowledge between species. Results: Using a combination of physiological and evolutionary properties of genes, we built models that successfully predicted the genetic interaction degree of S. cerevisiae genes. Importantly, a model trained on S. cerevisiae gene features and degree also accurately predicted interaction degree in the fission yeast Schizosaccharomyces pombe, suggesting that many of the predictive relationships discovered in S. cerevisiae also hold in this evolutionarily distant yeast. In both species, high single mutant fitness defect, protein disorder, pleiotropy, protein-protein interaction network degree, and low expression variation were significantly predictive of genetic interaction degree. A comparison of the predicted genetic interaction degrees of S. pombe genes to the degrees of S. cerevisiae orthologs revealed functional rewiring of specific biological processes that distinguish these two species. Finally, predicted differences in genetic interaction degree were independently supported by differences in co-expression relationships of the two species. Conclusions: Our findings show that there are common relationships between gene properties and genetic interaction network topology in two evolutionarily distant species. This conservation allows use of the extensively mapped S. cerevisiae genetic interaction network as an orthology-independent reference to guide the study of more complex species.

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  • The functional, physiological and evolutionary properties associated with genetic interaction frequency should predict genetic network connectivity and candidate genes that may serve as important genetic modifiers in other organisms, including humans.

    “The functional, physiological and evolutionary properties associated with genetic interaction frequency should predict genetic network connectivity and candidate genes that may serve as important genetic modifiers in other organisms, including humans (25).”
  • The general topology of genetic networks will also be conserved.

    “it is reasonable to expect that the general topology of genetic networks will also be conserved (25)”

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Research works printed but not linked: 3

  1. Dixon SJ Fedyshyn Y Koh JLY Prasad TSK Chahwan C Chua G Toufighi K Baryshnikova A Hayles J Kim K-LHD-U Park H-O Myers CL Pandey A Durocher D Andrews BJ Boone C Significant conservation of synthetic lethal genetic interaction networks between distantly-related eukaryotes. Proc Natl Acad Sci USA 2008 105 16653 16658 10.1073/pnas.0806261105 18931302 PMC2575475 · DOI · Paper page
  2. Roguev A Bandyopadhyay S Zofall M Zhang K Fischer T Collins SR Qu H Shales M Park HO Hayles J Hoe KL Kim DU Ideker T Grewal SI Weissman JS Krogan NJ Conservation and rewiring of functional modules revealed by an epistasis map in fission yeast. Science 2008 322 405 410 10.1126/science.1162609 18818364 PMC2753251 · DOI · Paper page
  3. Berglund AC Sjolund E Ostlund G Sonnhammer ELL InParanoid 6: eukaryotic ortholog clusters with inparalogs. Nucleic Acids Res 2008 36 D263 D266 18055500 PMC2238924

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Authors
Koch, E. N., Costanzo, M., Bellay, J., Deshpande, R., Chatfield-Reed, K., Chua, G., D'Urso, G., Andrews, B. J., Boone, C., & Myers, C. L.
Affiliations
  • University of Minnesota (US)
  • University of Toronto (CA)
  • University of Calgary (CA)
Corresponding author
Myers, Chad L
Venue
Genome Biology
Published
2012-07-02
Volume
13
Issue
7
Pages
R57-R57
ISSN
  • 1465-6906 (ISSN-L)
  • 1474-760X
OpenAlex
W2111248446
Cited by
68
References
55
Citations by year
2026: 3 · 2025: 3 · 2024: 2 · 2023: 1 · 2022: 2 · 2021: 13 · 2020: 2 · 2019: 5 · 2018: 5 · 2017: 5 · 2016: 2 · 2015: 9 · 2014: 5 · 2013: 10 · 2012: 1
FWCI
3.22
Type
journal article
Language
en
Open access
Locations
  • Genome biology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • TSpace (University of Toronto) (submittedVersion)
  • University Libraries (University of Maryland) (submittedVersion)
  • Digital Repository at the University of Maryland (University of Maryland College Park)
Funders
  • National Science Foundation (0953881)
  • National Institutes of Health
  • Canadian Institutes of Health Research (MOP-57830)
  • National Human Genome Research Institute (R01HG005084, R01HG005853)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
synthetic genetic interactions, genetic interaction networks, network topology, Saccharomyces cerevisiae, Schizosaccharomyces pombe, cross-species prediction, orthologs, protein disorder, pleiotropy, gene expression variation, co-expression, evolutionary conservation
MeSH terms
Genes, Fungal, Models, Genetic, Mutation, Saccharomyces cerevisiae, Schizosaccharomyces, Species Specificity, Evolution, Molecular, Gene Regulatory Networks, Genetic Fitness

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